It would be very easy.. And perhaps painful. Possibly worse. Of all the inklings this alchemist had to meet, it was one who had a... 'contamination.' Or maybe the opposite descriptor suits it best. Far too clean. Sanitized. A lingering effect from an experiment forced upon him. ... 'May I see?'
"It's uh.. complicated. For anyone really, I'm not calling you stupid. It's one of those things you figure out by doing it yourself"